.
Thread 1 (Thread 0x7fc26d3f1720 (LWP 5380)):
#0  dict_dealloc (mp=0xf2f330) at ../Objects/dictobject.c:984
        ep = 0xf74cd8
        fill = 36
#1  0x00000000004637a6 in module_dealloc (m=0x7fc26d286868) at ../Objects/moduleobject.c:179
No locals.
#2  0x000000000045f0b9 in insertdict (mp=0xeab150, key='operator', hash=-8463762425329832168, value=None) at ../Objects/dictobject.c:530
        old_value = <optimized out>
        ep = 0x1036390
#3  0x0000000000460466 in PyDict_SetItem (op={'aptsources.logging': None, 'heapq': None, 'xml.sax.urlparse': None, 'functools': None, 'random': None, '_bisect': None, 'subprocess': None, 'sysconfig': None, 'aptsources.shutil': None, 'gc': None, 'logging.os': None, 'apt.re': None, 'encodings.encodings': None, 'encodings.hex_codec': None, 'apt.progress.os': None, 'xml': None, 'struct': None, 'tempfile': None, 'base64': None, 'apt.cache': None, 'aptsources.xml': None, 'imp': None, 'collections': None, 'logging.thread': None, 'apt_pkg': None, 'apt.glob': None, 'aptsources.time': None, 'softwareproperties.urlparse': None, 'zipimport': None, 'string': None, 'aptsources.distro': None, 'encodings.utf_8': None, 'xml.etree.warnings': None, 'xml.etree.sys': None, 'ssl': None, 'apt.urllib2': None, 'softwareproperties.AptAuth': None, 'apt': None, 'json.encoder': None, 'softwareproperties.softwareproperties': None, 'softwareproperties.atexit': None, 'ConfigParser': None, 'httplib': None, 'bisect': None, 'signal': None, 'apt.progress.errno': None, 'threading': None, '...(truncated), key=<optimized out>, value=<optimized out>) at ../Objects/dictobject.c:775
        mp = 0xeab150
        hash = <optimized out>
        n_used = 228
#4  0x00000000004d3075 in PyImport_Cleanup () at ../Python/import.c:499
        pos = 281
        ndone = <optimized out>
        name = 0x7fc26d2f1b64 "operator"
        key = 'operator'
        value = <module at remote 0x7fc26d286868>
        dict = <optimized out>
        interp = 0xe8d010
        modules = {'aptsources.logging': None, 'heapq': None, 'xml.sax.urlparse': None, 'functools': None, 'random': None, '_bisect': None, 'subprocess': None, 'sysconfig': None, 'aptsources.shutil': None, 'gc': None, 'logging.os': None, 'apt.re': None, 'encodings.encodings': None, 'encodings.hex_codec': None, 'apt.progress.os': None, 'xml': None, 'struct': None, 'tempfile': None, 'base64': None, 'apt.cache': None, 'aptsources.xml': None, 'imp': None, 'collections': None, 'logging.thread': None, 'apt_pkg': None, 'apt.glob': None, 'aptsources.time': None, 'softwareproperties.urlparse': None, 'zipimport': None, 'string': None, 'aptsources.distro': None, 'encodings.utf_8': None, 'xml.etree.warnings': None, 'xml.etree.sys': None, 'ssl': None, 'apt.urllib2': None, 'softwareproperties.AptAuth': None, 'apt': None, 'json.encoder': None, 'softwareproperties.softwareproperties': None, 'softwareproperties.atexit': None, 'ConfigParser': None, 'httplib': None, 'bisect': None, 'signal': None, 'apt.progress.errno': None, 'threading': None, '...(truncated)
#5  0x00000000004ddf55 in Py_Finalize () at ../Python/pythonrun.c:447
        interp = 0xe8d010
#6  0x00000000004dda38 in Py_Exit (sts=1) at ../Python/pythonrun.c:1753
No locals.
#7  0x00000000004ddae0 in handle_system_exit () at ../Python/pythonrun.c:1127
        exception = <type at remote 0x83b7c0>
        value = 1
        tb = <traceback at remote 0x1263dd0>
        exitcode = 1
#8  0x00000000004ddbcd in PyErr_PrintEx (set_sys_last_vars=1) at ../Python/pythonrun.c:1137
        exception = {'args': None, 'SoftwareProperties': None, '__builtins__': <module at remote 0x7fc26d3b1ad0>, 'SourceEntry': None, '__file__': None, 'parser': None, 'gettext': None, '__package__': None, 'sys': None, 'locale': None, 'options': None, '_': None, 'expand_ppa_line': None, 'utf8': None, 'usage': None, '__name__': None, 'os': None, '__doc__': None, 'OptionParser': None, 'DEFAULT_KEYSERVER': None}
        v = Traceback (most recent call last):
  File "/tmp/tmpEhDegf/usr/lib/debug/usr/bin/python2.7-gdb.py", line 1094, in to_string
    pyop = PyObjectPtr.from_pyobject_ptr(self.gdbval)
  File "/tmp/tmpEhDegf/usr/lib/debug/usr/bin/python2.7-gdb.py", line 344, in from_pyobject_ptr
    cls = cls.subclass_from_type(p.type())
  File "/tmp/tmpEhDegf/usr/lib/debug/usr/bin/python2.7-gdb.py", line 289, in subclass_from_type
    tp_name = t.field('tp_name').string()
UnicodeDecodeError: 'ascii' codec can't decode byte 0x80 in position 0: ordinal not in range(128)
.
        tb = 0x0
        hook = <optimized out>
#9  0x00000000004de390 in PyRun_SimpleFileExFlags (fp=<optimized out>, filename=<optimized out>, closeit=<optimized out>, flags=<optimized out>) at ../Python/pythonrun.c:940
        m = <optimized out>
        d = {'args': None, 'SoftwareProperties': None, '__builtins__': <module at remote 0x7fc26d3b1ad0>, 'SourceEntry': None, '__file__': None, 'parser': None, 'gettext': None, '__package__': None, 'sys': None, 'locale': None, 'options': None, '_': None, 'expand_ppa_line': None, 'utf8': None, 'usage': None, '__name__': None, 'os': None, '__doc__': None, 'OptionParser': None, 'DEFAULT_KEYSERVER': None}
        ext = <optimized out>
        set_file_name = 1
        ret = <optimized out>
        len = <optimized out>
#10 0x00000000004ee6dd in Py_Main (argc=<optimized out>, argv=<optimized out>) at ../Modules/main.c:599
        c = <optimized out>
        sts = -1
        command = 0x0
        filename = 0x7fffdca47a28 "/usr/bin/apt-add-repository"
        module = 0x0
        fp = 0xf2df40
        p = <optimized out>
        unbuffered = 0
        skipfirstline = <optimized out>
        stdin_is_interactive = 0
        help = <optimized out>
        version = <optimized out>
        saw_unbuffered_flag = <optimized out>
        cf = {cf_flags = 0}
#11 0x00007fc26bdbc30d in __libc_start_main (main=0x41aa40 <main>, argc=2, ubp_av=0x7fffdca46268, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffdca46258) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6485242175960491455, 4311872, 140736895148640, 0, 0, -6485310805576145473, -6519836970815740481}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x53bf60, 0x7fffdca46268}, data = {prev = 0x0, cleanup = 0x0, canceltype = 5488480}}}
        not_first_call = <optimized out>
#12 0x000000000041cb69 in _start ()
No symbol table info available.